Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
1200112moderately pollutedexcellent201excellent
1100116moderately pollutedexcellent181excellent
1000109moderately pollutedexcellent181excellent
0900103moderately pollutedexcellent171excellent
0800109moderately pollutedexcellent151excellent
0700113moderately pollutedexcellent131excellent
0600114moderately pollutedexcellent171excellent
050091lightly pollutedexcellent141excellent
040098lightly pollutedexcellent151excellent
0300111moderately pollutedexcellent191excellent
020096lightly pollutedexcellent181excellent
0100109moderately pollutedexcellent191excellent
0000107moderately pollutedexcellent201excellent
2300108moderately pollutedgood211excellent
2200102moderately pollutedexcellent181excellent
210099lightly pollutedexcellent181excellent
200083lightly pollutedexcellent161excellent
190070lightly pollutedexcellent131excellent
180057goodexcellent121excellent
170053goodexcellent101excellent
160055goodexcellent81excellent
150054goodexcellent81excellent
140065lightly pollutedexcellent91excellent
130079lightly pollutedexcellent101excellent